body {
  background-color: #000;
  position: relative;
  max-height: 100vh;
  width: 100%;
  overflow: hidden;
}
.videoBack {
  position: fixed;
  top: 40%;
  transform: translateY(-40%);
  cursor: pointer;
  z-index: 999;
  .back {
    position: absolute;
    top: 0;
    left: -80px;
    display: flex;
    align-items: center;
    width: 120px;
    height: 80px;
    background-color: #1d1d1d;
    color: #cdcdcd;
    transition: all 0.3s;
    .clickback {
      display: flex;
      flex-direction: column;
      width: 80px;
      height: 80px;
      justify-content: center;
      align-items: center;
      svg {
        width: 30px;
        height: 30px;
      }
    }
    .tit {
      position: absolute;
      top: 0;
      left: 80px;
      z-index: 1;
      width: 40px;
      height: 80px;
      background-color: #1d1d1d;
      line-height: 80px;
      text-align: center;
      svg {
        width: 20px;
        height: 20px;
      }
    }

    &:hover {
      color: #fff;
      left: 0px;
    }
  }
}

a {
  text-decoration: none;
}

.player {
  //   width: 720px;
  height: 100vh;
  margin: 0 auto;
  background-color: #000;
  position: relative;
}

video {
  display: block;
  height: 100%;
  margin: 0 auto;
}

.controls {
  //   width: 720px;
  width: 100%;
  height: 40px;
  background-color: #1c192c;
  position: absolute;
  left: 0px;
  bottom: 0px;
  z-index: 100;
  border-radius: 4px;
}

.controls .switch {
  float: left;
  width: 20px;
  height: 20px;
  color: #fff;
  position: absolute;
  top: 11px;
  left: 11px;
}

.controls .expend {
  float: right;
  width: 20px;
  height: 20px;
  color: #fff;
  position: absolute;
  top: 11px;
  right: 11px;
}

.progress {
  width: 1100px;
  height: 10px;
  border-radius: 3px;
  background-color: #999;
  position: absolute;
  top: 15px;
  left: 234px;
}

.progress .line {
  width: 0;
  height: 100%;
  background-color: #f7f5f5;
  left: 0;
  top: 0;
  position: absolute;
}

.progress .bar {
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0;
  top: 0;
  z-index: 1;
}
.times {
  position: absolute;
  top: 11px;
  left: 55px;
  color: #fff;
  font-size: 14px;
}
#select {
  float: right;
  height: 20px;
  background: #1c192c;
  color: #fff;
  position: absolute;
  top: 11px;
  right: 55px;
  border: none;
}
